Complimenting the robust aluminum build is a door that is made of solid steel bars that have been welded to a high standard. This package of strength is sure to keep your escape artist pooch secure. The doors are connected to the body by a full-length striker plate and piano hinge. For extra security, each door features a flush-mounted slap latch allowing for a solid close.
Features: The Petmate Sky Kennel is primarily built of sturdy, high-quality plastic, but it still provides great ventilation to keep your pet comfortable. The front door is made of steel wire, as are the two windows on each side, and the back of the crate is perforated plastic. The door features a vault-style latch and is secured in four places for maximum security.
Hi Kristy. ProSelect is definitely the most heavy duty of them all (but as you noted, VERY expensive). Have you tried this style of heavy duty crate before? If so, you might be able to get away trying a less expensive model like the SmithBuilt. Unfortunately, there are always some dogs who can break out, so really hard to say. Your best bet is the ProSelect, but I know I myself would probably try some of the other models first if I never tried any kind of heavy-duty style crate before.
Keeping the dog inside is not the only purpose of a pet crate – it also protects the pooch from the dangers of the outside world. During the journey, a kennel has to withstand things like scrapes, bumps, and occasional knocks without breaking apart. Therefore, the heavy-duty models are your best choice – they’re sturdier and more durable than the regular crates.

SmithBuilt is one of the most renowned manufacturers of extra strong metal dog crates – they’re well-known for the comfort and security of their models. Those looking for a reasonably priced indestructible dog crate should consider their newest product, the SmithBuilt Heavy, as it offers good construction quality, a convenient 2-door design, and a removable pan for easy cleaning.
As well as being escape-proof, the Impact Case is also fully collapsible. When broken down it measures less than 8 inches in height – Ideal for storage when not in use. It is evident that security is the key design focus as it has an industrial style about it with 3/8 inch round bars that give the cage stability. This crate is also built for pet safety and comfort – The paint is a gray powder that deflects heat, and there are plenty of holes and openings that allow good airflow.
Most of the regular wire crates come with metal connectors – their purpose is to keep the door mounted correctly and the sides connected with each other. Unfortunately, these connectors are often very flimsy, so it’s not a problem for the dogs to mangle them with their teeth and simply escape through the opening afterward. Remember, dogs can chew through almost anything, especially softer materials.
The reason this crate doesn't rank as highly as the Empire is that it's not quite as escape-proof. I think the top door might be a weak point, so you may want to use a zip tie to stop it opening if you don't plan on using it. The most determined and strongest chewers may be able to attack the bars though - so for these dogs look for sheet-walled crates instead.
Most models come with wheels – they are mandatory. Some models don’t, and we advise you to avoid them as moving them around is a real hassle, especially if you travel often. Crates with wheels will allow you to easily transport your pooch no matter the circumstances. For the less portable solution, you might as well go with an outdoor kennel or a good quality playpen.
Richard is a journalist who specialises in dog behavior. He's written hundreds of articles and books related to dogs, including for the Continental Kennel Club, Dog Fest (the UK's biggest dog festival) and various veterinary surgeries. When he's not spending time with Jess and Rudy (his beloved Labrador and Golden Retrievers), he enjoys reading, hiking and watching sports.
Crates that don’t close securely are pretty worthless, so you’ll want to make sure that any crate you select has high-quality latches. But beware of crates with exceptionally large latching mechanisms, as some dogs will learn how to open the door themselves.  If you have an especially escape-prone pooch, you’ll probably need a crate especially designed for Houdini dogs with double latches or more advanced locking mechanisms.
This thing is huge and the price was great, but the design makes for a very challenging effort to assemble or move this. While we don't need to move it often - we do like to bring a kennel for road trips or when we have visitors, it's a pain the rear to disassemble and reassemble. It does not collapse and fold flat like every other kennel I've seen - it uses (4) rods in the corners through metal loops in the sides to keep the structure together. The top, sides, and bottoms simply hook together, but this alone can be a frustrating experience. I put it together alone, but I struggle to think two people would make this easier due to frustration and potential marriage counseling required after This thing is huge and the price was great, but the design makes for a very challenging effort to assemble or move this. While we don't need to move it often - we do like to bring a kennel for road trips or when we have visitors, it's a pain the rear to disassemble and reassemble. It does not collapse and fold flat like every other kennel I've seen - it uses (4) rods in the corners through metal loops in the sides to keep the structure together. The top, sides, and bottoms simply hook together, but this alone can be a frustrating experience. I put it together alone, but I struggle to think two people would make this easier due to frustration and potential marriage counseling required after. To make matters worse, the packaging materials included styrofoam that must have been damaged in transit. The structural foam had dissintegrated causing a snow storm in the house that was very difficult to vaccuum up because of the static charge. Lastly, the crate pieces were bent when they arrived, so the packaging isn't great for shipping. This further complicated assembly because the hooks that connect the pieces saw the bulk of the damage. My dog doesn't challenge the structural integrity of the kennel, but I would guess an ambitious dog can quickly defeat this enclosure. I would not buy this one again if I could go back. In fact, I am looking for another XXL crate to use for trips so I never have to reassemble this one again... It's just not worth the hassle to return this given the price. … more
42" (107cm)	Airedale Terrier, American Bulldog, Australian Shepherd, Bearded Collie, Belgain Malinois, Belgian Sheepdog, Belgian, Tervuren, Border Collie, Boxer, Chesapeake Bay Retriever, Chow-Chow, Dalmatian, Golden Retriever, Gordon Setter, Ibizan Hound, Irish Setter, Irish Water Spaniel, Labrador, Retriever, Rhodesian Ridgeback, Saluki, Poodle (Standard), Vizsla

Unlike the Impact, the Zinger Winger no dog escape crate uses solid metal steel bars for its door. Dogs will often choose to attack the door, knowing it is both the way he gets in and out. It is important that it is tough and secure. This robust solution works well here. It has a quality locking mechanism. This one uses two flush-mounted slap latches to ensure a secure close. It also uses a full length piano hinge plus striker plate. Its design also allows for reversible door installation. So it’s great for left-handers as well as right-handers.
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Note that some authorities recommend adding 4 to 6 inches on top of your dog’s length when selecting the proper crate size, instead of the 2- to 4-inch guideline we prefer. This is fine if you’d prefer to scale up the crate a little bit, but understand that it is not a good idea to provide your dog with a crate that is too large. Doing so will eliminate some of the benefits crates provide (more on this later), so stay in the 2- to 6-inch range.
Why We Recommend It: The Zinger Winger DX5000 is probably the toughest and most durable crate I've reviewed. I wouldn't call any crate 100% inescapable, but the aircraft-grade aluminum and stainless steel slam latches mean the DX5000 is a match for almost any dog. It's also lightweight (compared to other heavy duty models) and has lots of ventilation - the only downside is the price.
If you want premium features such as lightweight, collapsible and incredibly strong you do have to spend a fair amount of money for a well built and chew proof crate. This could be seen as a worthwhile investment especially as the life of your dog last many years (hopefully). If you are willing to make a few sacrifices and your dog is not exceptionally strong or aggressive then some cheaper heavy-duty dog crate alternatives will perform the same job.
A few owners mentioned problems with the crate handle, so you’ll want to be careful when carrying it. Note that some airlines require crates to be fastened with metal, rather than plastic hardware (which is provided with this crate). However, it is easy to pick up some metal bolts and use them to replace the plastic hardware that comes with the crate.
Disclosure: Woof Dog is a small blog that sustains itself through commissions we receive from brands that appear on this site. Woofdog.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Read full disclosure Here.

I'm very happy with this crate's size. One thing I didn't notice was that it does require some assembly (not super hard, but it does take 2 people); I thought it was going to be like my 48" crate that folds. The quality is awesome, especially for the price. I'm very impressed with the Frisco line of products overall, the price is unbeatable. The shipping for Chewy is always great and ofcourse free for a purchase like this, I'm a happy camper.

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